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Vascular Plants of California
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Calypso bulbosa var. occidentalis


Higher Taxonomy
Family: OrchidaceaeView DescriptionDichotomous Key
Common Name: ORCHID FAMILY
Habit: Perennial herb, terrestrial [growing on other pls], non-green (nutrition from association of roots with fungi) or green, generally from rhizomes or tubers with few to many fleshy to slender roots; cauline leaves +- reduced to sheathing stem bracts or not. Leaf: 1--many, basal to cauline, linear to +- round, alternate to opposite (if only 1 pair), generally sessile. Inflorescence: flowers 1--many, spike or raceme, bracted. Flower: bisexual, bilateral, in bud generally rotating 180° by twisting ovary (position of parts indicated after twisting); sepals generally 3, generally free, generally petal-like, uppermost generally erect, lateral with chin- or spur-like projection (mentum) or not; petals 3, 1 (lip) different, spurred or not; stamens generally 1 (3 in Cypripedium, 2 functional, 1 a staminode), fused with style, stigma into column, pollen generally lumped, generally removed as unit by insect; ovary inferior, 1-chambered, placentas 3, parietal, stigma 3 lobed, generally under column tip. Fruit: capsule. Seed: many, minute.
Genera In Family: +- 800 genera, +- 25000 species: especially tropics (worldwide except Antarctica). Many cultivated for ornamental, especially Cattleya, Cymbidium, Epidendrum, Oncidium, Paphiopedilum; Vanilla planifolia Andrews fruits used to flavor food. Note: Platanthera may be paraphyletic without inclusion of Piperia (Bateman et al. 2009 Ann Bot 104:431--445); study needed.
eFlora Treatment Author: Ronald A. Coleman, Dieter H. Wilken & William F. Jennings, except as noted
Scientific Editor: Ronald A. Coleman, Thomas J. Rosatti.
Genus: CalypsoView Description 


Common Name: FAIRY SLIPPER

Species In Genus: 1 species, several varieties. Etymology: (Greek: Kalypso, sea nymph in Homer's Odyssey, from her beauty, secretive behavior)
Calypso bulbosa (L.) Oakes var. occidentalis (Holz.) B. Boivin
NATIVE
Habit: Plant 7--18 cm, +- scapose; caudex corm-like, +- spheric; rhizome 0. Leaf: basal, 1, petioled, blade 3--6.5 cm, elliptic to ovate. Inflorescence: flower 1. Flower: sepals free, 15--25 mm, generally pink; lateral petals sepal-like, lip +- pendent, pouch-like, white-hairy at mouth, +- purple outside, purple-striate inside, base +- red-spotted, distal 1/3 +- concave, white to pink; column 8--11 mm, wide-ovate, hood-like, arched over pouch, generally pink. Fruit: erect. Chromosomes: 2n=28.
Ecology: Mesic generally shaded conifer forest; Elevation: < 1800 m. Bioregional Distribution: NW (exc NCoRI), CCo, SnFrB; Distribution Outside California: to Alaska, Montana. Flowering Time: Mar--Jun
Jepson eFlora Author: Ronald A. Coleman, Dieter H. Wilken & William F. Jennings
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Botanical illustration including Calypso bulbosa var. occidentalis

botanical illustration including Calypso bulbosa var. occidentalis

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Citation for this treatment: Ronald A. Coleman, Dieter H. Wilken & William F. Jennings 2012, Calypso bulbosa var. occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=55520, accessed on June 16, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on June 16, 2019.

Calypso bulbosa var. occidentalis
click for enlargement
© 2016 Keir Morse
Calypso bulbosa var. occidentalis
click for enlargement
© 2016 Keir Morse
Calypso bulbosa var. occidentalis
click for enlargement
© 2008 Keir Morse
Calypso bulbosa var. occidentalis
click for enlargement
© 2008 Keir Morse
Calypso bulbosa var. occidentalis
click for enlargement
© 2016 Keir Morse
Calypso bulbosa var. occidentalis
click for enlargement
© 2008 Keir Morse

More photos of Calypso bulbosa var. occidentalis in CalPhotos



Geographic subdivisions for Calypso bulbosa var. occidentalis:
NW (exc NCoRI), CCo, SnFrB
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Data provided by the participants of the  Consortium of California Herbaria.
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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.